Finite Element Study of Soil Structure Interface Problem   Haydar Arslan University of Colorado-Boulder Department of Civil Engineering Boulder, CO
			ABSTRACT

The shear stress parameters of the soil-structure interfaces were analyzed by Finite Element modeling of direct shear test. The model is used to determine the stress deformation behavior of clay-concrete interfaces, and to observe influence of area reduction to shear stress at the clay concrete interface. The results of the FE study showed that there is about seven percent stress increment due to the area change during the direct shear test and area correction can not be ignored for soil structure interface analysis.

Keywords: Finite Element, Soil Structure Interaction, Direct Shear, Area Reduction

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